| Message ID | 20170225232536.2277-2-chris@chris-wilson.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 25 February 2017 at 23:25, Chris Wilson <chris@chris-wilson.co.uk> wrote: > If we fail to allocate the ppgtt range after allocating the pages for > the vma, we should unwind the local allocation before reporting back the > failure. > > Fixes: ff685975d97f ("drm/i915: Move allocate_va_range to GTT") > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> > Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com>
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index c3a121ab8914..875a48b9d05a 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2312,7 +2312,7 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma, vma->node.start, vma->node.size); if (ret) - return ret; + goto err_pages; } appgtt->base.insert_entries(&appgtt->base, @@ -2329,6 +2329,17 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma, } return 0; + +err_pages: + if (!(vma->flags & (I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND))) { + if (vma->pages != vma->obj->mm.pages) { + GEM_BUG_ON(!vma->pages); + sg_free_table(vma->pages); + kfree(vma->pages); + } + vma->pages = NULL; + } + return ret; } static void aliasing_gtt_unbind_vma(struct i915_vma *vma)
If we fail to allocate the ppgtt range after allocating the pages for the vma, we should unwind the local allocation before reporting back the failure. Fixes: ff685975d97f ("drm/i915: Move allocate_va_range to GTT") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> --- drivers/gpu/drm/i915/i915_gem_gtt.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)